/*
 * Copyright 1999-2011 Alibaba Group.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.roytrack.kryo.common;

import java.io.IOException;

/**
 * Data input.
 *
 * @author qian.lei
 */
public interface DataInput {

  /**
   * Read boolean.
   *
   * @return boolean.
   * @throws IOException.
   */
  boolean readBool() throws IOException;

  /**
   * Read byte.
   *
   * @return byte value.
   * @throws IOException.
   */
  byte readByte() throws IOException;

  /**
   * Read short integer.
   *
   * @return short.
   * @throws IOException.
   */
  short readShort() throws IOException;

  /**
   * Read integer.
   *
   * @return integer.
   * @throws IOException.
   */
  int readInt() throws IOException;

  /**
   * Read long.
   *
   * @return long.
   * @throws IOException.
   */
  long readLong() throws IOException;

  /**
   * Read float.
   *
   * @return float.
   * @throws IOException.
   */
  float readFloat() throws IOException;

  /**
   * Read double.
   *
   * @return double.
   * @throws IOException.
   */
  double readDouble() throws IOException;

  /**
   * Read UTF-8 string.
   *
   * @return string.
   * @throws IOException.
   */
  String readUTF() throws IOException;

  /**
   * Read byte array.
   *
   * @return byte array.
   * @throws IOException.
   */
  byte[] readBytes() throws IOException;
}